Newly disclosed vulnerability Common Vulnerabilities and Exposures (CVE)-2026-24858 [Common Weakness Enumeration (CWE)-288: Authentication Bypass Using an Alternate Path or Channel] allows malicious actors with a FortiCloud account and a registered device to log in to separate devices registered to other users in FortiOS, FortiManager, FortiWeb, FortiProxy, and FortiAnalyzer, if FortiCloud single sign on (SSO) is enabled on devices.
Users are vulnerable to CVE-2026-24858 even if they updated Fortinet devices to address previously disclosed FortiCloud SSO bypass vulnerabilities CVE-2025-59718 and CVE-2025-59719 [CWE-347: Improper Verification of Cryptographic Signature]. CVE-2025-59718 and CVE-2025-59719 affect FortiOS, FortiWeb, FortiProxy, and FortiSwitch Manager, and allow malicious actors to bypass the SSO login authentication via a crafted Security Assertion Markup Language (SAML) message.
Read more…
Source: U.S. Cybersecurity and Infrastructure Security Agency
Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox
Related:
- Trump orders federal investigation into former CISA director Chris Krebs
April 10, 2025
President Trump on Wednesday ordered a federal investigation into Chris Krebs, the former director of U.S. cybersecurity agency CISA. In a new executive order, Trump instructed the Department of Homeland Security, which houses CISA, and the U.S. attorney general to investigate Krebs, who was fired by the Trump administration in November 2020 soon after he publicly ...
- Patch Tuesday – April 2025
April 9, 2025
Microsoft is addressing 121 vulnerabilities this April 2025 Patch Tuesday, which is more than twice as many as last month. Microsoft has evidence of in-the-wild exploitation for just one of the vulnerabilities published today, which is already reflected in CISA KEV. Once again, Microsoft has published zero-day vulnerabilities on Patch Tuesday without evaluating any of them ...
- Google fixes two actively exploited zero-day vulnerabilities in Android
April 8, 2025
Google has patched 62 vulnerabilities in Android, including two actively exploited zero-days in its April 2025 Android Security Bulletin. When we say “zero-day” we mean an exploitable software vulnerability for which there was no patch at the time of the vulnerability being exploited or published. The term reflects the amount of time that a vulnerable organization ...
- Kellogg’s leaks sensitive data after Clop attack
April 8, 2025
WK Kellogg, the company behind the Kellogg’s cereals, has been hit by a major data breach. Cybercriminals from the ransomware group Clop exploited a vulnerability in the software of an external supplier, stealing employees’ personal data. The data breach took place in December 2024, when data was stolen from the file transfer service Cleo. At the ...
- How ToddyCat tried to hide behind AV software
April 7, 2025
To hide their activity in infected systems, APT groups resort to various techniques to bypass defenses. Most of these techniques are well known and detectable by both EPP solutions and EDR threat-monitoring and response tools. In early 2024, while investigating ToddyCat-related incidents, Kaspersky researchers detected a suspicious file named version.dll in the temp directory on multiple ...
- Australian superannuation funds targeted in suspected cyber attacks
April 3, 2025
Multiple large superannuation funds have been targeted in suspected cyber attacks that led to some members losing several thousand dollars in retirements savings. Hostplus, Rest, AustralianSuper and Australian Retirement Trust are among the providers targeted. The attacks were discovered over the weekend, and follow rising reports of online security threats in Australia with a cyber ...